JP6302425B2 - 抗ウイルス剤 - Google Patents
抗ウイルス剤 Download PDFInfo
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- JP6302425B2 JP6302425B2 JP2015060485A JP2015060485A JP6302425B2 JP 6302425 B2 JP6302425 B2 JP 6302425B2 JP 2015060485 A JP2015060485 A JP 2015060485A JP 2015060485 A JP2015060485 A JP 2015060485A JP 6302425 B2 JP6302425 B2 JP 6302425B2
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- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicines Containing Plant Substances (AREA)
Description
好ましくは、植物由来抽出物は、植物の水抽出物又はアルコール抽出物である。
好ましくは、α−グルコシダーゼ阻害作用を有する植物由来抽出物は、サラシア属植物の水抽出物もしくはアルコール抽出物、又は豆鼓エキスである。
好ましくは、本発明の抗ウイルス剤は、抗インフルエンザウイルス剤である。
好ましくは、本発明の抗ウイルス剤は、抗口唇ヘルペスウイルス剤である。
好ましくは、本発明の抗ウイルス剤は、医薬品又は食品として使用する。
本発明によればさらに、α−グルコシダーゼ阻害作用を有する植物由来抽出物を投与対象者に投与することを含む、ウイルスを抑制する方法が提供される。
本発明の抗ウイルス剤は、α−グルコシダーゼ阻害作用を有する植物由来抽出物を有効成分として含有する。好ましくは、植物由来抽出物が、植物の水抽出物又はアルコール抽出物である。α−グルコシダーゼ阻害作用を有する植物由来抽出物の具体例としては、サラシア属植物の水抽出物もしくはアルコール抽出物、豆鼓エキス、桑の葉抽出物、グァバ抽出物、又はラフマ抽出物などを挙げることができるが、これらに限定されるものではない。
サラシア・レチキュラータ(S. reticulata)とサラシア・オブロンガ(S. oblonga)の根及び幹の部分を粉砕後等重量ずつ混合し、98℃の熱水抽出工程を経て得られた液をスプレー乾燥し、サラシアエキス末1を得た。これを以下の実施例においてサラシア属植物抽出エキスとして使用した。
8週齢のオスのddyマウスを5匹ずつ3群に分け、サラシア属植物抽出エキスを0,2,10,200mg/kg/dayで、胃ゾンデ(器具)を用いて14日間摂取させた。非投与群には注射用水のみを投与した。14日後、インフルエンザウイルスA/PR/8/34/2009(H1N1)を鼻腔内接種し、感染5日目の症状、及び肺の病理所見の観察を行った。
口唇ヘルペスにかかった経験のある健常成人(男性16名、女性4名)を無作為にサラシア属植物エキス摂取群、豆鼓エキス摂取群、及び非摂取群の3群に分けた。サラシア属植物エキス摂取群は、2年間、毎日240mgのサラシア属植物エキス粉末を摂取した。豆鼓エキス摂取群は、2年間、毎日300mgの豆鼓エキスを摂取した。上記の3群について2年間の口唇ヘルペス発症回数調査を行った結果を表2に示す。
Claims (7)
- サラシア属植物の水抽出物もしくはアルコール抽出物を有効成分として含有し、1日1回以上の投与を2日以上継続して少なくともインフルエンザウイルス感染前から経口投与する、インフルエンザウイルス感染後の肺炎症状の軽減剤。
- サラシア属植物の水抽出物もしくはアルコール抽出物の配合量が、組成物の総量を基準として0.0005〜10.0質量%である、請求項1に記載の軽減剤。
- サラシア属植物が、サラシア・レティキュラータ(Salacia reticulata)、サラシア・オブロンガ(Salacia oblonga)、サラシア・プリノイデス(Salacia prinoides)、サラシア・キネンシス(Salacia chinensis)、サラシア・ラティフォリア(Salacia latifolia)、サラシア・ブルノニアーナ(Salacia burunoniana)、サラシア・グランディフローラ(Salacia・grandiflora)、サラシア・マクロスペルマ(Salacia macrosperma)から選ばれる少なくとも1種である、請求項1又は2に記載の軽減剤。
- サラシア属植物の水抽出物もしくはアルコール抽出物の摂取量が、0.1〜300mg/体重kg/日である、請求項1から3のいずれか1項に記載の軽減剤。
- サラシア属植物の水抽出物もしくはアルコール抽出物が、サラシア属植物の根及び幹から選択される少なくとも一方から抽出したエキス末である、請求項1から4の何れか1項に記載の軽減剤。
- サラシア属植物の水抽出物もしくはアルコール抽出物が、サラシノール、コタラノール及びカテキンを含む、請求項1から5のいずれか1項に記載の軽減剤。
- サラシア属植物の水抽出物もしくはアルコール抽出物が、サラシア・レチキュラータ(S. reticulata)及びサラシア・オブロンガ(S. oblonga)の根及び幹の部分を熱水で抽出して乾燥したエキス末である、請求項1から6のいずれか1項に記載の軽減剤。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2015060485A JP6302425B2 (ja) | 2015-03-24 | 2015-03-24 | 抗ウイルス剤 |
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JP2015060485A JP6302425B2 (ja) | 2015-03-24 | 2015-03-24 | 抗ウイルス剤 |
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JP2010249392A Division JP2012102026A (ja) | 2010-11-08 | 2010-11-08 | 抗ウイルス剤 |
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JP2015110680A JP2015110680A (ja) | 2015-06-18 |
JP6302425B2 true JP6302425B2 (ja) | 2018-03-28 |
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